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Finding the Third Proportional to 5,551.66 and 8,789.77

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Solution

The third proportional to 5,551.66 and 8,789.77 is: 13,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.66 : 8,789.77 = 8,789.77 : x
  2. Step 2: Convert to fraction form
    5,551.66/8,789.77 = 8,789.77/x
  3. Step 3: Cross multiply
    5,551.66x = 8,789.77 × 8,789.77
  4. Step 4: Simplify right side
    5,551.66x = 77,259,979.74
  5. Step 5: Solve for x
    x = 77,259,979.74/5,551.66
  6. Step 6: Final answer
    x = 13,916.54

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.